Unit coil development for Y-SMES

Koji Shikimachi; Tsutomu Tamada; Mitsuhito Naruse; Naoki Hirano; Shigeo Nagaya; Satoshi Awaji; Gen Nishijima; Kazuo Watanabe; Satoshi Hanai; Shuichi Kawashima; Yusuke Ishii

doi:10.1109/TASC.2011.2106104

Unit coil development for Y-SMES

Koji Shikimachi, Tsutomu Tamada, Mitsuhito Naruse, Naoki Hirano, Shigeo Nagaya, Satoshi Awaji, Gen Nishijima, Kazuo Watanabe, Satoshi Hanai, Shuichi Kawashima, Yusuke Ishii

High Field Laboratory for Superconducting Materials

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

A superconducting magnetic energy storage system (SMES) for electric power system control has been developed using Yttrium (Y)-based coated conductor of high performance in I_c and mechanical properties, in order to fulfill the requirements for large capacity and cost reduction of the SMES. The target stored energy of the coil required for the SMES system of 100 MVA output power is 2 GJ class. The conceptual designed coil of toroid type consists of one hundred eighty unit coils of 2.8 m outer diameter and each unit coil is connected to each converter of a multi-cell type. Due to this design concept, the main unit coil specifications of 2 kA current, 2 kV voltage, 600 MPa hoop stress tolerance and 3 W/m heat flux around 20 K can realize the SMES system. Coiling technologies have been developing using Y-based wire for SMES. A small multi-layer coil was manufactured and its electromagnetic force characteristics were verified by 600 MPa class hoop stress tests. A bundled-conductor coil of 650 mm class diameter was also manufactured and its current characteristics were verified by 2 kA class large current tests.

Original language	English
Article number	5719138
Pages (from-to)	1348-1353
Number of pages	6
Journal	IEEE Transactions on Applied Superconductivity
Volume	21
Issue number	3 PART 2
DOIs	https://doi.org/10.1109/TASC.2011.2106104
Publication status	Published - 2011 Jun

Keywords

Hoop stress
Large current
SMES coil
Yttrium based coated conductor

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/TASC.2011.2106104

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title = "Unit coil development for Y-SMES",

abstract = "A superconducting magnetic energy storage system (SMES) for electric power system control has been developed using Yttrium (Y)-based coated conductor of high performance in Ic and mechanical properties, in order to fulfill the requirements for large capacity and cost reduction of the SMES. The target stored energy of the coil required for the SMES system of 100 MVA output power is 2 GJ class. The conceptual designed coil of toroid type consists of one hundred eighty unit coils of 2.8 m outer diameter and each unit coil is connected to each converter of a multi-cell type. Due to this design concept, the main unit coil specifications of 2 kA current, 2 kV voltage, 600 MPa hoop stress tolerance and 3 W/m heat flux around 20 K can realize the SMES system. Coiling technologies have been developing using Y-based wire for SMES. A small multi-layer coil was manufactured and its electromagnetic force characteristics were verified by 600 MPa class hoop stress tests. A bundled-conductor coil of 650 mm class diameter was also manufactured and its current characteristics were verified by 2 kA class large current tests.",

keywords = "Hoop stress, Large current, SMES coil, Yttrium based coated conductor",

author = "Koji Shikimachi and Tsutomu Tamada and Mitsuhito Naruse and Naoki Hirano and Shigeo Nagaya and Satoshi Awaji and Gen Nishijima and Kazuo Watanabe and Satoshi Hanai and Shuichi Kawashima and Yusuke Ishii",

note = "Funding Information: Manuscript received August 02, 2010; accepted December 30, 2010. Date of publication February 22, 2011; date of current version May 27, 2011. This work was supported by the New Energy and Industrial Technology Development Organization (NEDO) as the Technological Development of Yttrium-based Superconducting Power Equipment. K. Shikimachi, T. Tamada, M. Naruse, N. Hirano, and S. Nagaya are with the Chubu Electric Power Company, Incorporated, Nagoya, 459-8522, Japan (e-mail: Shikimachi.Kouji@chuden.co.jp). S. Awaji and K. Watanabe are with the Institute for Material Research, Tohoku University, Sendai, Japan. G. Nishijima is with the National Institute for Material Science, Tsukuba, Japan. S. Hanai, S. Kawashima, and Y. Ishii are with the Toshiba Corporation, Yokohama, Japan. Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/TASC.2011.2106104",

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doi = "10.1109/TASC.2011.2106104",

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AU - Shikimachi, Koji

AU - Tamada, Tsutomu

AU - Naruse, Mitsuhito

AU - Hirano, Naoki

AU - Nagaya, Shigeo

AU - Awaji, Satoshi

AU - Nishijima, Gen

AU - Watanabe, Kazuo

AU - Hanai, Satoshi

AU - Kawashima, Shuichi

AU - Ishii, Yusuke

N1 - Funding Information: Manuscript received August 02, 2010; accepted December 30, 2010. Date of publication February 22, 2011; date of current version May 27, 2011. This work was supported by the New Energy and Industrial Technology Development Organization (NEDO) as the Technological Development of Yttrium-based Superconducting Power Equipment. K. Shikimachi, T. Tamada, M. Naruse, N. Hirano, and S. Nagaya are with the Chubu Electric Power Company, Incorporated, Nagoya, 459-8522, Japan (e-mail: Shikimachi.Kouji@chuden.co.jp). S. Awaji and K. Watanabe are with the Institute for Material Research, Tohoku University, Sendai, Japan. G. Nishijima is with the National Institute for Material Science, Tsukuba, Japan. S. Hanai, S. Kawashima, and Y. Ishii are with the Toshiba Corporation, Yokohama, Japan. Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/TASC.2011.2106104

PY - 2011/6

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N2 - A superconducting magnetic energy storage system (SMES) for electric power system control has been developed using Yttrium (Y)-based coated conductor of high performance in Ic and mechanical properties, in order to fulfill the requirements for large capacity and cost reduction of the SMES. The target stored energy of the coil required for the SMES system of 100 MVA output power is 2 GJ class. The conceptual designed coil of toroid type consists of one hundred eighty unit coils of 2.8 m outer diameter and each unit coil is connected to each converter of a multi-cell type. Due to this design concept, the main unit coil specifications of 2 kA current, 2 kV voltage, 600 MPa hoop stress tolerance and 3 W/m heat flux around 20 K can realize the SMES system. Coiling technologies have been developing using Y-based wire for SMES. A small multi-layer coil was manufactured and its electromagnetic force characteristics were verified by 600 MPa class hoop stress tests. A bundled-conductor coil of 650 mm class diameter was also manufactured and its current characteristics were verified by 2 kA class large current tests.

AB - A superconducting magnetic energy storage system (SMES) for electric power system control has been developed using Yttrium (Y)-based coated conductor of high performance in Ic and mechanical properties, in order to fulfill the requirements for large capacity and cost reduction of the SMES. The target stored energy of the coil required for the SMES system of 100 MVA output power is 2 GJ class. The conceptual designed coil of toroid type consists of one hundred eighty unit coils of 2.8 m outer diameter and each unit coil is connected to each converter of a multi-cell type. Due to this design concept, the main unit coil specifications of 2 kA current, 2 kV voltage, 600 MPa hoop stress tolerance and 3 W/m heat flux around 20 K can realize the SMES system. Coiling technologies have been developing using Y-based wire for SMES. A small multi-layer coil was manufactured and its electromagnetic force characteristics were verified by 600 MPa class hoop stress tests. A bundled-conductor coil of 650 mm class diameter was also manufactured and its current characteristics were verified by 2 kA class large current tests.

KW - Hoop stress

KW - Large current

KW - SMES coil

KW - Yttrium based coated conductor

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Unit coil development for Y-SMES

Abstract

Keywords

ASJC Scopus subject areas

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